The intersphinx module should not be used. Remove commented configuration
of the intersphinx module to not enable it in the future.
Change-Id: I7140112d61651d281c52fe6ecf4e81f80f055717
Related-Bug: #1368910
* Add files needed to build documentation. They are copied
from the cookiecutter repository.
* Replace setup.py and add setup.cfg
* Add tox.ini
* Add requirements.txt and test-requirements.txt
* Fix hacking issue H307 (like imports should be grouped together)
Change-Id: I325bb07233853611e8f0952a554a30dba2b7dfe7
Co-Authored-By: Joshua Harlow <harlowja@yahoo-inc.com>